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biennial

adjective

/baɪˈɛniəl/

Meaning

happening every two years

The biennial festival attracts thousands of visitors.

two-yearly, every two years, biennium

annual, perennial

biennial event, biennial report, biennial festival

having good manners; respectful; courteous

Decisive or critical, especially in the success or failure of something.

Impossible to doubt; unquestionable.

Of high moral, intellectual, or cultural value; distant from ordinary life.

awaiting decision or settlement

full of physical strength, effort, activity, or energy; strong and healthy